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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002,2010 Oracle. All rights reserved.
*
* $Id: LSNArrayTest.java,v 1.7.2.2 2010/01/04 15:30:48 cwl Exp $
*/
package com.sleepycat.je.tree;
import junit.framework.TestCase;
import com.sleepycat.je.utilint.DbLsn;
public class LSNArrayTest extends TestCase {
private static final int N_ELTS = 128;
private IN theIN;
public void setUp() {
theIN = new IN();
}
public void tearDown() {
}
public void testPutGetElement() {
doTest(N_ELTS);
}
public void testOverflow() {
doTest(N_ELTS << 2);
}
public void testFileOffsetGreaterThan3Bytes() {
theIN.initEntryLsn(10);
theIN.setLsnElement(0, 0xfffffe);
assertTrue(theIN.getLsn(0) == 0xfffffe);
assertTrue(theIN.getEntryLsnByteArray() != null);
assertTrue(theIN.getEntryLsnLongArray() == null);
theIN.setLsnElement(1, 0xffffff);
assertTrue(theIN.getLsn(1) == 0xffffff);
assertTrue(theIN.getEntryLsnLongArray() != null);
assertTrue(theIN.getEntryLsnByteArray() == null);
theIN.initEntryLsn(10);
theIN.setLsnElement(0, 0xfffffe);
assertTrue(theIN.getLsn(0) == 0xfffffe);
assertTrue(theIN.getEntryLsnByteArray() != null);
assertTrue(theIN.getEntryLsnLongArray() == null);
theIN.setLsnElement(1, 0xffffff + 1);
assertTrue(theIN.getLsn(1) == 0xffffff + 1);
assertTrue(theIN.getEntryLsnLongArray() != null);
assertTrue(theIN.getEntryLsnByteArray() == null);
}
private void doTest(int nElts) {
theIN.initEntryLsn(nElts);
for (int i = nElts - 1; i >= 0; i--) {
long thisLsn = DbLsn.makeLsn(i, i);
theIN.setLsnElement(i, thisLsn);
if (theIN.getLsn(i) != thisLsn) {
System.out.println(i + " found: " +
DbLsn.toString(theIN.getLsn(i)) +
" expected: " +
DbLsn.toString(thisLsn));
}
assertTrue(theIN.getLsn(i) == thisLsn);
}
for (int i = 0; i < nElts; i++) {
long thisLsn = DbLsn.makeLsn(i, i);
theIN.setLsnElement(i, thisLsn);
assertTrue(theIN.getLsn(i) == thisLsn);
}
}
}
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